blob: 3070073a7ad6e382c5d0d038c52525aedf768392 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
|
// Copyright 2012 The Chromium Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
#ifndef CC_OUTPUT_RENDERER_H_
#define CC_OUTPUT_RENDERER_H_
#include "base/basictypes.h"
#include "cc/base/cc_export.h"
#include "cc/quads/render_pass.h"
#include "cc/resources/managed_memory_policy.h"
#include "cc/trees/layer_tree_host.h"
namespace cc {
class CompositorFrameAck;
class CompositorFrameMetadata;
class ScopedResource;
class CC_EXPORT RendererClient {
public:
// Draw viewport in non-y-flipped window space. Note that while a draw is in
// progress, this is guaranteed to be contained within the output surface
// size.
virtual gfx::Rect DeviceViewport() const = 0;
virtual float DeviceScaleFactor() const = 0;
virtual const LayerTreeSettings& Settings() const = 0;
virtual void SetFullRootLayerDamage() = 0;
virtual void SetManagedMemoryPolicy(const ManagedMemoryPolicy& policy) = 0;
virtual bool HasImplThread() const = 0;
virtual bool ShouldClearRootRenderPass() const = 0;
virtual CompositorFrameMetadata MakeCompositorFrameMetadata() const = 0;
virtual bool AllowPartialSwap() const = 0;
protected:
virtual ~RendererClient() {}
};
class CC_EXPORT Renderer {
public:
virtual ~Renderer() {}
virtual const RendererCapabilities& Capabilities() const = 0;
const LayerTreeSettings& Settings() const { return client_->Settings(); }
virtual void ViewportChanged() {}
virtual bool CanReadPixels() const = 0;
virtual void DecideRenderPassAllocationsForFrame(
const RenderPassList& render_passes_in_draw_order) {}
virtual bool HaveCachedResourcesForRenderPassId(RenderPass::Id id) const;
// This passes ownership of the render passes to the renderer. It should
// consume them, and empty the list.
virtual void DrawFrame(RenderPassList* render_passes_in_draw_order) = 0;
// Waits for rendering to finish.
virtual void Finish() = 0;
virtual void DoNoOp() {}
// Puts backbuffer onscreen.
virtual void SwapBuffers() = 0;
virtual void ReceiveSwapBuffersAck(const CompositorFrameAck& ack) {}
virtual void GetFramebufferPixels(void* pixels, gfx::Rect rect) = 0;
virtual bool IsContextLost();
virtual void SetVisible(bool visible) = 0;
virtual void SendManagedMemoryStats(size_t bytes_visible,
size_t bytes_visible_and_nearby,
size_t bytes_allocated) = 0;
protected:
explicit Renderer(RendererClient* client)
: client_(client) {}
RendererClient* client_;
private:
DISALLOW_COPY_AND_ASSIGN(Renderer);
};
} // namespace cc
#endif // CC_OUTPUT_RENDERER_H_
|
